RE: "Sit rigidly still if....................
.................you want to keep watching this program. Turn you head to talk to someone and you will get the shopping channel."
Really? In other words the TV manufacturers are going to integrate Kinect in precisely the way that will make the kit as unpleasant and unusable for the punter as they possibly can because the point you have just made would not occur to them?
"Specific control gesture 1" = Ignore all other gestures from now on unless:
"Specific control gesture 2" = Take notice of all gestures from now on unless:
"Specific control gesture 1"
If I can manage to think of that in two nanoseconds I am sure the likes of Samsung, LG, Sony etc will manage to as well.